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I see a garage door. Is it opening to the outdoors?, or just another area of the factory? If it does open up to outside and if they have cool or cold conditioned air going through that duct, it may sweat when warm humid air hits from outside. Insulation?

Take the strap off the supply sweep holding it to the wall, don't need it.

And you know this how? How did you become the expert on what materials I get from the metal shop? I can go up there and make it out of 24, 26, 30, whatever gauge material I can run through the machine.

Originally Posted by energy star

I see a garage door. Is it opening to the outdoors?, or just another area of the factory? If it does open up to outside and if they have cool or cold conditioned air going through that duct, it may sweat when warm humid air hits from outside. Insulation?

Take the strap off the supply sweep holding it to the wall, don't need it.

Another part of the warehouse. Hanger is on there, job is done. It was on there for assembly, to keep things level. Sure I could take it off, then I guess I just stick some mystery screws in the holes.

Guy that makes our metal, I swear his 26ga is closer to 24ga and his 24 is closer to 20ga metal. The shop that made the metal also made the s'lock(as we call it) Trust me it is plenty stiff. The last ridged S we got sucks compared to the old sealtite stuff we used to get.

Gripples are the best thing since sliced bread. I remember when we used to use hanger strap for hanging smaller round duct. What a PITA. We still use rods and saddles/tear drops for larger duct in the range of 18-24" and larger. When the duct gets too heavy for the small surface area of the cable it will actually put a kink in it where the cable chokes around the pipe.